// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/base/ime/input_method_minimal.h"

#include <stdint.h>

#include "ui/base/ime/text_input_client.h"
#include "ui/events/event.h"
#include "ui/events/event_constants.h"

namespace ui {

InputMethodMinimal::InputMethodMinimal(
    internal::InputMethodDelegate* delegate)
{
    SetDelegate(delegate);
}

InputMethodMinimal::~InputMethodMinimal() { }

bool InputMethodMinimal::OnUntranslatedIMEMessage(
    const base::NativeEvent& event,
    NativeEventResult* result)
{
    return false;
}

void InputMethodMinimal::DispatchKeyEvent(ui::KeyEvent* event)
{
    DCHECK(event->type() == ET_KEY_PRESSED || event->type() == ET_KEY_RELEASED);

    // If no text input client, do nothing.
    if (!GetTextInputClient()) {
        ignore_result(DispatchKeyEventPostIME(event));
        return;
    }

    // Insert the character.
    ignore_result(DispatchKeyEventPostIME(event));
    if (event->type() == ET_KEY_PRESSED && GetTextInputClient()) {
        const uint16_t ch = event->GetCharacter();
        if (ch) {
            GetTextInputClient()->InsertChar(*event);
            event->StopPropagation();
        }
    }
}

void InputMethodMinimal::OnCaretBoundsChanged(const TextInputClient* client) { }

void InputMethodMinimal::CancelComposition(const TextInputClient* client) { }

void InputMethodMinimal::OnInputLocaleChanged() { }

std::string InputMethodMinimal::GetInputLocale()
{
    return std::string();
}

bool InputMethodMinimal::IsCandidatePopupOpen() const
{
    return false;
}

} // namespace ui
